Baby&#39;s mattress



FIG. 1 is a front perspective view of the baby's mattress in the erected position thereof;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is one side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a front perspective view of the baby's mattress in the folded position thereof;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is one side view of FIG. 7;

FIG. 10 is a second side view of FIG. 7; and,

FIG. 11 is a botton view of FIG. 7.

The cross-hatching represents conventional fabric and is understood to extend throughout the areas represented.

The broken lines represent stitching. 

The ornamental design for a baby's mattress, as shown and described. 